
Which car is more economical on fuel? Kia Optima or Audi A5
Hi Fiona,
Depends on the engine fitted to each, but the most economical Kia Optima, the 1.7 CRDi, can do around 67mpg (4.2 litres/100km), whereas a front-wheel-drive Audi A5 2.0 TDI can achieve 68.9mpg, or 4.1 litres/100km.

Ask us anything motoring related and please provide as much information as possible so we can give you the most accurate advice.